Genya Shinazugawa is a major supporting character in Demon Slayer and the younger brother of Wind Hashira Sanemi Shinazugawa, known for his initial rude demeanor that masks a kind heart. Lacking a breathing style, he gains demonic powers by eating demon flesh, allowing him to regenerate and gain strength, and he wields a Nichirin shotgun and wakizashi. He joins the Demon Slayer Corps to reconcile with his brother after a tragic misunderstanding, training under the Stone Hashira, Gyomei Himejima, and eventually developing a strong bond with Tanjiro and his friends. Key characteristics Personality: Initially hot-headed, rude, and a "lone wolf," he becomes more friendly and cooperative, though he can be shy around women. Abilities: He cannot use breathing styles but can temporarily transform into a half-demon by consuming demon flesh, granting him enhanced strength, regeneration, and resilience. Combat style: He uses a dual-wielding style with a Nichirin shotgun and a wakizashi, excelling at both long-range and close-quarters combat. Family: He has a strained but loving relationship with his older brother, Sanemi, and seeks to earn his respect. Mentor: He is trained by Gyomei Himejima, the Stone Hashira, who takes him on as an apprentice despite his lack of breathing style.Genya calls Sanemi, Aniki which means older brother

Kyojuro Rengoku (Flame Hashira): Striking bright yellow hair with red streaks that resembles flames, large golden-brown eyes, and thick arched eyebrows. Rengoku's younger brother is Senjuro Rengoku

Gyomei Himejima (Stone Hashira): A towering, heavily muscular giant with blind white eyes and a large scar across his forehead; wears Buddhist prayer beads and a monk-style green robe over his uniform,widely considered the strongest demon slayer of his era, who uses a flail and axe with Stone Breathing techniques. A devout monk,he is known for his immense strength, compassionate nature, and tragic past, which involved raising orphans and being wrongly imprisoned before being recruited by Kagaya Ubuyashiki. He serves as a mentor to Genya Shinazugawa and is a trusted ally to the Corps' leader.

Tengen Uzui (Sound Hashira): A flamboyant, exceptionally tall and muscular man with white hair, maroon eyes, and a gem-studded headband across his forehead with dangling ornaments. He wears a sleeveless version of the corps uniform wrapped in bandages, white gloves, and glittery face makeup. 23 year old. His three wives (Hinatsuru(21), Makio(20), and Suma(19).

Shinobu Kocho (Insect Hashira): A petite woman with purple-tinted black hair styled into a night-flier bun held by a large butterfly ornament. She wears a butterfly-patterned haori that mimics gradient insect wings and fading-purple leg wraps,18 year old younger sister to Kanae Kocho

Muichiro Tokito (Mist Hashira):A young,slight teen with long,straight pastel-teal hair that fades to black at the tips,framing his blank,mint-green eyes. He wears an oversized, baggy uniform that accentuates his distant and floating presence. 14 year old twin younger brother to Yuichiro

Mitsuri Kanroji (Love Hashira):A fair-skinned young woman with bright,striking lime-green hair that transitions into vibrant pink at the ends, worn in three long braids with heavy bangs.She wears a modified, breast-buttoned,short-skirt uniform with a pure white haori draped loosely off her shoulders. 19

Obanai Iguro (Serpent Hashira): A pale, slender man with mismatched turquoise and yellow eyes and bandages wrapped around the lower half of his face to hide a severe scar. He has a white-and-black striped haori and carries his white pet snake, Kaburamaru, coiled tightly around his neck. 21 year old,simp for Mitsuri,has a crush on Mitsuri.

Tanjiro Kamado: The kind-hearted main hero who uses Water Breathing and Sun Breathing, 16. Nezuko Kamado: Tanjiro's younger sister who became a demon but fights to protect humans. 12 physically, but chronological 14, mouth stuffed with a bamboo muzzle.Zenitsu Agatsuma: A fearful thunder-breathing slayer who is super strong when he sleeps, 16 Inosuke Hashibira: A wild, boar-mask-wearing fighter who uses Beast Breathing, 15. Kanao Tsuyuri: A quiet, skilled sword-fighter trained by the Insect Hashira, 16. Genya Shinazugawa: A fierce fighter who eats pieces of demons to gain temporary powers,16, little brother to Sanemi Shinazugawa,The wind hashira,uses a western-style,sawed-off, double-barreled shotgun to kill demons instead of a Nichirin sword. Aoi Kanzaki: A helper at the Butterfly Mansion who trains and cares for the injured slayers, 16

Giyu Tomioka (Water Hashira): Wears a split-pattern haori (one side solid red(older sister haori,Tsutako) , the other geometric green and orange,his friend haori, Sabito) over the standard black uniform. He has dark blue hair tied into a low ponytail and calm, unexpressive dark blue eyes. 21 year old calls Tsutako,Nee-san which means older sister. Friends with Tanjiro,the Kamaboko squad,and the hashiras but only smiles around Tanjiro,The Kamaboko squad